#! /usr/bin/env python
#  -*- Python -*-

import buildindex
import getopt
import os
import re
import string
import sys


_rx = re.compile(
    '<dt><a href="(module-.*\.html)">([a-zA-Z_][a-zA-Z0-9_.]*)</a>')

def main():
    outputfile = "-"
    columns = 1
    letters = 0
    opts, args = getopt.getopt(sys.argv[1:], "c:lo:",
                               ["columns=", "letters", "output="])
    for opt, val in opts:
        if opt in ("-o", "--output"):
            outputfile = val
        elif opt in ("-c", "--columns"):
            columns = string.atoi(val)
        elif opt in ("-l", "--letters"):
            letters = 1
    if not args:
        args = ["-"]
    #
    # Collect the input data:
    #
    nodes = []
    seqno = 0
    for ifn in args:
        if ifn == "-":
            ifp = sys.stdin
            dirname = ''
        else:
            ifp = open(ifn)
            dirname = os.path.dirname(ifn)
        while 1:
            line = ifp.readline()
            if not line:
                break
            m = _rx.match(line)
            if m:
                # This line specifies a module!
                basename, modname = m.group(1, 2)
                linkfile = os.path.join(dirname, basename)
                nodes.append(buildindex.Node('<a href="%s">' % linkfile,
                                             "<tt>%s</tt>" % modname,
                                             seqno))
                seqno = seqno + 1
        ifp.close()
    num_nodes = len(nodes)
    html = HEAD + buildindex.process_nodes(nodes, columns, letters) + TAIL
    program = os.path.basename(sys.argv[0])
    if outputfile == "-":
        sys.stdout.write(html)
        sys.stderr.write("%s: %d index nodes\n" % (program, num_nodes))
    else:
        open(outputfile, "w").write(html)
        print
        print "%s: %d index nodes" % (program, num_nodes)


HEAD = """\
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title>Global Module Index</title>
<META NAME="description" CONTENT="Global Module Index">
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
<LINK REL="STYLESHEET" HREF="lib/lib.css">
<LINK REL="up" HREF="./">
</head>
<body bgcolor="#ffffff">
<div class=navigation>
<table width="100%" cellpadding=0 cellspacing=2>
<tr>
<td><img width=32 height=32 align=bottom border=0 alt="blank"
 src="icons/blank.gif"></td>
<td><a href="./"><img width=32 height=32 align=bottom border=0 alt="up"
 src="icons/up.gif"></A></td>
<td><img width=32 height=32 align=bottom border=0 alt="blank"
 src="icons/blank.gif"></td>
<td align=center bgcolor="#99CCFF" width="100%">
 <b class=title>Global Module Index</b></td>
<td><img width=32 height=32 align=bottom border=0 alt="blank"
 src="icons/blank.gif"></td>
<td><img width=32 height=32 align=bottom border=0 alt="blank"
 src="icons/blank.gif"></td>
<td><img width=32 height=32 align=bottom border=0 alt="blank"
 src="icons/blank.gif"></td>
</tr></table>
<b class=navlabel>Up:</b> <span class=sectref><A
 HREF="./">Python Documentation Index</A></span>
<br><hr></div>
"""

TAIL = """
<div class=navigation>
<hr>
<table width="100%" cellpadding=0 cellspacing=2>
<tr>
<td><img width=32 height=32 align=bottom border=0 alt="blank"
 src="icons/blank.gif"></td>
<td><a href="./"><img width=32 height=32 align=bottom border=0 alt="up"
 src="icons/up.gif"></A></td>
<td><img width=32 height=32 align=bottom border=0 alt=""
 src="icons/blank.gif"></A></td>
<td align=center bgcolor="#99CCFF" width="100%">
 <b class=title>Global Module Index</b></td>
<td><img width=32 height=32 align=bottom border=0 alt=""
 src="icons/blank.gif"></td>
<td><img width=32 height=32 align=bottom border=0 alt=""
 src="icons/blank.gif"></td>
<td><img width=32 height=32 align=bottom border=0 alt=""
 src="icons/blank.gif"></td>
</tr></table>
<b class=navlabel>Up:</b> <span class=sectref><A
 HREF="./">Python Documentation Index</A></span>
</div>
<!--End of Navigation Panel-->
<ADDRESS>
<hr>Send comments to
<a href="mailto:python-docs@python.org">python-docs@python.org</a>.
</ADDRESS>
</BODY>
</HTML>
"""


if __name__ == "__main__":
    main()